ROANOKE COUNTY, Va. – UPDATE
This crash has been cleared, according to VDOT.
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ORIGINAL STORY
Drivers who need to head north on Interstate 81 should expect some delays.
At mile marker 140.3, near the Salem exit onto 311, traffic is backed up after a tractor-trailer crash.
As of 8:49 p.m., VDOT reports that traffic is backed up about two miles.